fix possible panic

This commit is contained in:
Unknwon 2015-11-21 21:06:11 -05:00
parent dcc740fd26
commit f12832c61e

View file

@ -271,16 +271,26 @@ OUTER_LOOP:
tagName := token.Data tagName := token.Data
// If this is an excluded tag, we skip processing all output until a close tag is encountered. // If this is an excluded tag, we skip processing all output until a close tag is encountered.
if strings.EqualFold("a", tagName) || strings.EqualFold("code", tagName) || strings.EqualFold("pre", tagName) { if strings.EqualFold("a", tagName) || strings.EqualFold("code", tagName) || strings.EqualFold("pre", tagName) {
stackNum := 1
for html.ErrorToken != tokenizer.Next() { for html.ErrorToken != tokenizer.Next() {
token = tokenizer.Token() token = tokenizer.Token()
// Copy the token to the output verbatim // Copy the token to the output verbatim
buf.WriteString(token.String()) buf.WriteString(token.String())
// If this is the close tag, we are done
if token.Type == html.StartTagToken {
stackNum++
}
// If this is the close tag to the outer-most, we are done
if token.Type == html.EndTagToken && strings.EqualFold(tagName, token.Data) { if token.Type == html.EndTagToken && strings.EqualFold(tagName, token.Data) {
stackNum--
if stackNum == 0 {
break break
} }
} }
}
continue OUTER_LOOP continue OUTER_LOOP
} }